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x402-gateway

Token Price Lookup: Get the live USD price of any token by symbol (e.g. BTC, ETH, SOL, PEPE). Pay per call in USDC on Base via x402 — POST https://x402.freeq.one/tools/token_price.

Visit x402.freeq.one

Hostx402.freeq.one
Price$0.001–$1.00 per call
NetworkBase
Paid endpoints listed44
Calls, last 30 days*771
Most unique payers on one endpoint (30 days)*3
Last paid call*2026-10-17
Tagsmcp, pay-per-call, x402, usdc, base

* From the public x402 Bazaar index (snapshot 2026-10-18T04:07Z); reported by the facilitator, not measured by us.

Endpoints

URLMethodPrice
https://x402.freeq.one/tools/token_price
Token Price Lookup: Get the live USD price of any token by symbol (e.g. BTC, ETH, SOL, PEPE). Pay per call in USDC on…		POST$0.002
https://x402.freeq.one/tools/verify_batch
Batch Semaphore Proof Verifier: Batch verify up to 10 Semaphore proofs in a single request. Returns per-proof results…		POST$0.005
https://x402.freeq.one/tools/changelog_openapi
OpenAPI Changelog Generator: Diff two OpenAPI specs and generate a structured breaking-change changelog (no LLM —…		POST$0.005
https://x402.freeq.one/tools/qr_generator
QR/Barcode Generator: Generate a QR code or barcode as an image (SVG or PNG). Returns a base64-encoded image (MCP…		POST$0.002
https://x402.freeq.one/tools/markdown
Markdown Extractor: Fetch a URL and convert its main content to clean, LLM-ready Markdown (strips nav/ads/sidebars).…		POST$0.002
https://x402.freeq.one/tools/mermaid
Mermaid Diagram Renderer: Render a Mermaid diagram to an image (PNG or SVG). Returns a base64-encoded image (MCP…		POST$0.005
https://x402.freeq.one/tools/html_to_markdown
HTML to Markdown Converter: Convert an HTML string to clean, LLM-ready Markdown. Handles headings, links, images,…		POST$0.002
https://x402.freeq.one/tools/og_image_generator
OG Image Generator: Generate an Open Graph social-card image (1200x630 PNG) from a title and description. Returns a…		POST$0.002
https://x402.freeq.one/tools/verify_worldid
World ID Proof Verifier: Verify a World ID 4.0 proof via the Worldcoin Developer Portal API. Generates an RP signature…		POST$0.005
https://x402.freeq.one/tools/wallet_portfolio
Wallet Portfolio: Get a complete wallet portfolio for an Ethereum address: native ETH balance, ERC-20 balances, NFT…		POST$0.002
https://x402.freeq.one/tools/whale_alerts
Whale Alerts Scanner: Scan recent blocks for large ETH transfers involving an address. Filter by direction…		POST$0.002
https://x402.freeq.one/tools/wallet_checksum
Ethereum Address Checksum: Convert an Ethereum address to its EIP-55 checksummed form. SIWE messages require the…		POST$0.002
https://x402.freeq.one/tools/cross_chain_balance
Cross-Chain Balance Checker: Aggregate native balance and token/NFT counts for an address across eth, arb, base,…		POST$0.002
https://x402.freeq.one/tools/verify_semaphore
Semaphore ZK Proof Verifier: Verify a Semaphore ZK proof locally using Groth16 (embedded official vkey). No external…		POST$0.002
https://x402.freeq.one/tools/jobs
Job Search: Search live job postings by keywords and locations. Returns structured results: title, company, location,…		POST$0.002
https://x402.freeq.one/tools/shortlink_create
Short Link Creator: Create a permanent short link on freeq.one (e.g. https://freeq.one/MySlug). Optional: custom slug,…		POST$0.002
https://x402.freeq.one/tools/document_to_markdown
Document to Markdown (auto-detect): Convert any document to Markdown with automatic format detection. One endpoint for…		POST$0.01
https://x402.freeq.one/mcp
MCP server for AI agents: 31 tools (blockchain data, web scraping, ZK proofs, image generation, gift cards) payable…		POST$0.001
https://x402.freeq.one/tools/verify_stablecoin
Stablecoin Issuer / GENIUS / Reserve Verifier: Verify a stablecoin: issuer identity, GENIUS Act qualification status,…		POST$0.005
https://x402.freeq.one/tools/llm_chat
LLM Chat: Chat with a language model. OpenAI-compatible /v1/chat/completions interface. Supports 50+ models. Free…		POST$0.05
https://x402.freeq.one/tools/wallet_verify_solana
Solana Signature Verifier: Verify an ed25519 Solana wallet signature over a message containing a 'Nonce: <value>'…		POST$0.002
https://x402.freeq.one/tools/changelog_git
Git Changelog Generator: Diff git commits and generate a structured breaking-change changelog. Provide repository_url,…		POST$0.005
https://x402.freeq.one/tools/wallet_verify_nostr
NIP-98 Nostr Auth Verifier: Verify a NIP-98 Nostr HTTP auth event. Returns the signer pubkey. Stateful replay…		POST$0.002
https://x402.freeq.one/tools/wallet_verify_siwe
SIWE Signature Verifier: Verify a Sign-In-With-Ethereum (EIP-4361) signature. Stateless oracle: checks the signature…		POST$0.002
https://x402.freeq.one/tools/epub_to_markdown
EPUB to Markdown: Convert an EPUB e-book to clean Markdown. Provide a direct URL or base64-encoded file bytes.…		POST$0.005

Source: x402 Bazaar discovery API (Coinbase CDP) · Licence: Public discovery metadata; descriptions by each provider. Listed in x402 pay-per-call APIs. We list tools; we do not test, rate or endorse them.

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